bloc vs league

bloc

noun
  • A group of countries acting together for political or economic goals, an alliance: e.g., the eastern bloc, the western bloc, a trading bloc, the Eurozone, the European Union. 

  • A group of voters or politicians who share common goals. 

league

noun
  • An alliance or coalition. 

  • A group or association of cooperating members. 

  • A stone erected near a public road to mark the distance of a league. 

  • An organization of sports teams which play against one another for a championship. 

  • The distance that a person can walk in one hour, commonly taken to be approximately three English miles (about five kilometers). 

  • A class or type of people or things that are evenly matched or on the same level. 

  • A prefecture-level administrative unit in Inner Mongolia (Chinese: 盟). 

verb
  • To form an association; to unite in a league or confederacy; to combine for mutual support. 

How often have the words bloc and league occurred in a corpus of books? (source: Google Ngram Viewer )